158012142 has 16 divisors (see below), whose sum is σ = 318299520. Its totient is φ = 52291512.

The previous prime is 158012131. The next prime is 158012209. The reversal of 158012142 is 241210851.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93898 + ... + 95565.

It is an arithmetic number, because the mean of its divisors is an integer number (19893720).

Almost surely, 2^158012142 is an apocalyptic number.

158012142 is an abundant number, since it is smaller than the sum of its proper divisors (160287378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158012142 is a wasteful number, since it uses less digits than its factorization.

158012142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189607.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 158012142 is about 12570.2880635250. The cubic root of 158012142 is about 540.6258655560.

Adding to 158012142 its reverse (241210851), we get a palindrome (399222993).

The spelling of 158012142 in words is "one hundred fifty-eight million, twelve thousand, one hundred forty-two".